<template>
    <div class="list" ref="wrapper">
        <div>
            <div class="area">
                <div class="title  border-topbottom">你的位置</div>
                <div class="button-list">
                    <div class="button-wrapper">
                        <div class="button">{{this.$store.state.city}}</div>
                    </div>
                </div>
            </div>
            <div class="area">
                <div class="title  border-topbottom">热门城市</div>
                <div class="button-list">
                    <div class="button-wrapper" v-for="item of  hotCities " :key="item.id" @click=handleCityClick(item.name)>
                        <div class="button">{{item.name}}</div>
                    </div>
                </div>
            </div>
            <div
                class="area"
                v-for='(item,key) of cities'
                :key='key'
                :ref='key'
            >
                <div class="title border-topbottom">{{key}}</div>
                <div class="item-list">
                    <div class="item  border-bottom" v-for="innerItem of item" :key="innerItem.id"  @click=handleCityClick(innerItem.name)>{{innerItem.name}}</div>
                </div>
            </div>

        </div>
    </div>
</template>
<script>
import BScroll from 'better-scroll'
export default {
  name: 'CityList',
  props: {
    hotCities: Array,
    cities: Object,
    letter: String
  },
  methods:{
      handleCityClick(city){
          this.$store.commit('changeCity',city)
          this.$router.push('/')
      }
  },
  mounted () {
    this.scroll = new BScroll(this.$refs.wrapper)
  },
  watch: {
    letter (letter) {
      if (this.letter) {
        const element = this.$refs[this.letter][0]
        this.scroll.scrollToElement(element)
      }
    }
  }
}

</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.border-topbottom
    &:before
        border-color #ccc
    &:after
        border-color #ccc
.list
    overflow hidden
    position absolute
    top 1.58rem
    left 0
    right 0
    bottom 0

    .title
        line-height .44rem
        background #eeeeee
        padding-left .2rem
        font-size .26rem
    .button-list
        overflow hidden
        padding .1rem .6rem .1rem .1rem
        .button-wrapper
            float left
            width 33.33%
            .button
                margin .1rem
                padding .1rem
                text-align center
                border .02rem solid #cccccc
                border-radius .06rem
.item
    line-height .76rem
    height .76rem
    color #666
    padding-left  .2rem

</style>
